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Keywords:

  • roll-to-roll inkjet printing;
  • roll-to-roll photonic sintering;
  • transparent conductors;
  • flexible substrates;
  • ITO-freedom;
  • roll-to-roll processing;
  • polymer solar cells
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Small polymer solar cell modules that are manufactured without indium-tin-oxide using only roll-to-roll printing and coating techniques under ambient conditions enable facile integration into a simple demonstrator (for example a laser pointer). Semitransparent front electrode grid structures prepared by roll-to-roll inkjet printing in conjunction with photonic sintering enable preparation of complete modules on flexible substrates and subsequent integration of the modules into a laser pointer demonstrator.